Universal serial bus hub



FIG. 1 is a perspective view of a universal serial bus hub showing mydesign;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is an elevational view facing part B thereof;

FIG. 5 is an elevational view facing part C thereof; and,

FIG. 6 is an elevational view facing part A thereof.

The broken lines are for illustrative purposes only and form no part ofthe claimed design. Elevational views facing parts D and E are mirrorimages of FIGS. 4 and 5, respectively, and therefore omitted.

The ornamental design for a universal serial bus hub, as shown anddescribed.